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US 2024/0238750 A1Published application
Method and apparatus for controlling nox and method for preparing nox-containing water
AssigneeKorea Institute of Fusion Energy
InventorsYong Cheol HONG, Kang II KIM, Geon Woo YANG, Hee Jae LEE
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Abstract
A method for controlling nitrogen oxide (NOx) includes adjusting a flow rate of d gas injected into an arc-type plasma generating device, and identifying a concentration of the generated nitrogen oxide, while adjusting an amount of energy per unit flow rate of the injected gas.
Claims10
A method for controlling nitrogen oxide (NOx), the method comprising:
- adjusting a flow rate of d gas injected into an arc-type plasma generating device, and
- identifying a concentration of the generated nitrogen oxide, while adjusting an amount of energy per unit flow rate of the injected gas,
- wherein the arc-type plasma generating device includes
- an internal electrode and an external electrode facing the internal electrode,
- supplies oxygen, nitrogen, or a mixture gas thereof injected between the internal electrode and the external electrode, and
- applies voltage to the internal electrode and the external electrode to generate an arc-type plasma including nitrogen oxide, and
- the internal electrode is rod-shaped, the external electrode surrounds the internal electrode, and a gap between the internal electrode and the external electrode is gradually away from each other in a longitudinal direction of the internal electrode, and a gliding arc occurs between the gap.
4 more elements
An arc-type plasma generating device comprising:
- an internal electrode and an external electrode facing the internal electrode,
- wherein the arc-type plasma generating device supplies oxygen, nitrogen, or a mixture gas thereof injected between the internal electrode and the external electrode,
- applies voltage to the internal electrode and the external electrode to generate an arc-type plasma including nitrogen oxide, and
- controls the concentration of the nitrogen oxide by adjusting the flow rate of the injected gas,
- wherein the internal electrode is rod-shaped, the external electrode surrounds the internal electrode, and a gap between the internal electrode and the external electrode is gradually away from each other in a longitudinal direction of the internal electrode, and a gliding arc occurs between the gap.
2 more elements
A method for preparing nitrogen oxide (NOx), the method comprising:
- injecting oxygen, nitrogen, or a mixture gas thereof into an arc-type plasma generating device;
- rotating the injected gas;
- generating arc-type plasma inside the arc-type plasma generating device, and
- generating an nitrogen oxide gas,
- wherein the arc-type plasma generating device includes an internal electrode and an external electrode, the internal electrode is rod-shaped, the external electrode surrounds the internal electrode, and a gap between the internal electrode and the external electrode is gradually away from each other in a longitudinal direction of the internal electrode, and a gliding arc occurs between the gap.
2 more elements
A method for preparing nitrogen oxide (NOx)-containing water, the method comprising:
- injecting oxygen, nitrogen, or a mixture gas thereof into an arc-type plasma generating device;
- rotating the injected gas;
- generating arc-type plasma inside the arc-type plasma generating device;
- generating a nitrogen oxide gas;
- removing oxygen, which is a dissolved gas, and
- storing NOx-containing water.
- the arc-type plasma generating device includes an internal electrode and an external electrode, the internal electrode is rod-shaped, the external electrode surrounds the internal electrode, and a gap between the internal electrode and the external electrode is gradually away from each other in a longitudinal direction of the internal electrode, and a gliding arc occurs between the gap.
4 more elements
Dependencies are inferred from the claim text.